package ooday05;

public class StaticFinal {
    public static void main(String[] args) {
        System.out.println(Aoo.PI);
        System.out.println(Aoo.a);
        System.out.println(Aoo.b);
        //Aoo.PI=3.14;常量不可改变
    }

}

class Aoo{
    public static final double PI=3.1415926;
    public static int a=5;
    public static final int b=5;
}